update recently_changed_documents on topical events
update recently_changed_documents on topical events

This is so we pull in the correct documents

robinwhittleton/whitehall,hotvulcan/whitehall,hotvulcan/whitehall,ggoral/whitehall,alphagov/whitehall,ggoral/whitehall,hotvulcan/whitehall,askl56/whitehall,alphagov/whitehall,robinwhittleton/whitehall,robinwhittleton/whitehall,hotvulcan/whitehall,askl56/whitehall,YOTOV-LIMITED/whitehall,alphagov/whitehall,ggoral/whitehall,YOTOV-LIMITED/whitehall,robinwhittleton/whitehall,YOTOV-LIMITED/whitehall,alphagov/whitehall,askl56/whitehall,ggoral/whitehall,askl56/whitehall,YOTOV-LIMITED/whitehall